/*
 * Copyright 2010 GP Software
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ConfigMapper.java | Created on Apr 22, 2010
 */
package org.gp.gpetl.mapper;

import org.gp.gpetl.config.ConfigObject;
import org.gp.gpetl.exception.MappingException;

/**
 * Interface for data mapper
 *
 * @author Paul Augustine C. Mendoza
 */
public interface ConfigMapper {

    /**
     * Maps an input to a bean
     *
     * @param key the config mapping key
     * @return the configuration object
     * @throws MappingException if mapping fails
     */
    ConfigObject getConfig(String key) throws MappingException;

    /**
     * Clears the configuration cache
     */
    void clearConfigCache();

    /**
     * Sets the mapping file path
     *
     * @param path the mapping file path
     */
    void setMappingFilePath(String path);

}
